package com.zhang.paymentdemo.vo;

import lombok.Data;
import lombok.experimental.Accessors;

import java.util.HashMap;
import java.util.Map;

/**
 * @ClassName R
 * @Description 统一结果类
 * @Author zhanghongguo
 * @Date 2022/1/7 19:13
 * @Version 1.0
 */

@Accessors(chain = true) //链式操作
@Data
public class R {
    //响应数据
    private Map<String, Object> data = new HashMap<>();
    //响应状态码
    private Integer code;
    //描述
    private String message;

    public static R ok() {
        R r = new R();
        r.setCode(0);
        r.setMessage("成功");
        return r;
    }

    public static R error() {
        R r = new R();
        r.setCode(-1);
        r.setMessage("失败");
        return r;
    }

    public R data(String key, Object value) {
        this.data.put(key, value);
        return this;
    }
}
